at32uc3b0512-z2ues ATMEL Corporation, at32uc3b0512-z2ues Datasheet - Page 242

• Manufacturer Part Number: at32uc3b0512-z2ues
• Description: 32-bit Avr Microcontroller
• Manufacturer: ATMEL Corporation

19.13.5.3
Figure 19-26. Master Performs a General Call
32059J–12/2010
GCACC
SVACC
TXD
General Call
S
GENERAL CALL
GENERAL CALL
0000000 + W
The general call is performed in order to change the address of the slave.
If a GENERAL CALL is detected, GACC is set.
After the detection of General Call, it is up to the programmer to decode the commands which
come afterwards.
In case of a WRITE command, the programmer has to decode the programming sequence and
program a new SADR if the programming sequence matches.
Figure 19-26 on page 242
Note:
1. This method allows the user to create an own programming sequence by choosing the pro-
WRITE command = 00000100X
A
RESET command = 00000110X
gramming bytes and the number of them. The programming sequence has to be provided to
the master.
Reset or write DADD
Reset after read
describes the General Call access.
A
DATA1
Programming sequence
New SADR
A
DATA2
A
New SADR
AT32UC3B
A
P
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